In order to achieve effective utilization of radio communication resource, there is provided a relay station, for relaying a signal to be transferred between a radio base station and a radio terminal, which includes a storage section adapted to store communication controlling information for communication control with the radio terminal, a base station side signal reception section adapted to receive, from the radio base station, scheduling information in communication between the radio base station and the radio terminal through the relay station, a complementation section adapted to complement contents of the scheduling information received by the base station side signal reception section in accordance with the communication controlling information stored in the storage section, and a terminal side signal transmission section adapted to transmit the scheduling information whose contents are complemented by the complementation section to the radio terminal.